Device for killing insects.



Patented Aug. I, |899.

A. G. JACOBS.

DEVICE FUR KILLING INSECTS.

(Application led Oct. 7, 189B.)

KNn Model.)

` UNITED Srn'riis` AUGUSTUS (i. JACOBS, OF

J ON ESTOW N, MISSISS'I l .lz l.

DEVICE. FOR KILLING INSECTS.

SPECIFICATION forming' part of Letters Application iiled October '7, 1898.

citizen of the United States, residing at J onestown, in the county of Ooahoma and State oi" Mississi i have invented certain new and 7 useful Improvements in Blow-Guns, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention relates to a blow-gun espeeially intended for use in killing llicsand insects and attractive as a toy.

Theobject of the invention is to produce a blow-gun whiclr'h'as an extensible airo'w 'or' projectile, the base oi which remains all the time in the blow gun or tube, so that the same may be withdrawn into the tube by suction. The head or striking end of the projectile is adapted to conform to uneven surfaces, so as to close against a ily or insect, although the line of Hight of the projectile may be at an angle to the wall, ceiling, or other surface struck by the projectile.

Figure l is a central longitudinal section, partly in elevation and partly broken away, of a blow-gun according to this invention, showing the head against an inclined surface. Fig. 2 isI a section of the gun with the arrow or projectile drawn in. Fig, .3 is a-seetion of the front end of the gun `with the arrow projected. Fig. 4 is a front elevation of the arrow-head. Fig. 5 is a broken detail showing the arrow inclined to the floor. Fig. 6 is a broken section of the front end of the arrow. Fig. 7 is a cross-section of the tubes and the arrow. Fig. 8 is a broken detail section ot' a modified tube.

A indicates the guide-tube, and B the airtube, of a blow-gun. The tube B can beinade longer by adding sections, as C, the sections going together by screw-joints or in other way of joining tubes.

The arrow or projectile D moves easily in the tube A and should be considerably longer than the guiding-section of the tube. rlhe front end of the arrow has a hole therein, in which a small flexible cylinder or piece E, of rubber, leather, or other elastic material, is held. To the front of this piece E a disk F Patent No. 629,998, dated August 1, 1899.

Serial No. 692.932. (No model.)

or other-formed head is attached, the piece E extending through a hole in the head or being secured in other manner. When the head F strikes an inclined surface, the elastic piece E yields or bends, so that the head may adjust itself to the surface without detlecting the body D of the projectile.

The arrow D is prevented from escaping from the tube A by an elastic head D', which head comes against the'inner end of the tube A when the arrow is thrust out to its extreme position and prevents the escape oi' the arrow from the tube. 'AIiitheniodliication' Fig'f'the tubes A i are integral. The operation of the arrow therein is the same as above described.

The arrow D has a groove D2 nearits outer end, in which groove a band D, ot' rubber, leather, or other suitable material, is applied to prevent the arrow from being fully withdrawn into the blowing-tube.

This little blow-gun is especially useful as a ily-killer. The tube may be of metal, glass, hard rubber, or other material.

neat fit. 'lherearjendof "the tube is held to the lips andthe in'ner end of the tube closed by the tongue. A puff of air forced by the lungs or cheeks into the tube when the tongue is withdrawn projects the arrow quickly and it is as quickly drawn back by suction. A little experience will enable most persons to hit a fly on the iioor, table, wall, or ceiling at any distance within the length of the tube and arrow. The tube may be lengthened to any convenient extent, so that a person may standupright and hit flies or bugs on the floor. The arrow used need not be much longer than a foot, that amount of movement or even less being sufficient to adapt the implem ent for use as a fly-killer- Children find the blow-gun to be a source of much amusement, and it is useful as a means of destroying insect pests.

I am aware that blowguns for projecting arrows, darts, putty-balls, and the like are not new. I claim improvement in the eon struction ol' such guns, and modifications within the scope of my claims are contemplated.

The arrow" is preferably verylight, and the part D' moves g easily in the blow-tube, but formen tolorably IOD eeaeee` What I claim 'is- V l. A blow-gun having an air-tube, a gl'iidetube of smaller diameter connected thereto, and an arrow projectile having its body guided in the guide-tube, and having a head Within the air-tube and acting as a stop against the end et the guide-tube, to prevent the escape of the arrow from the gun, substantially as described.

2. A blow-gun having;l a guide-tube and an air-tube of greater diameter connected thereto, an arrow projectile e\tending,r through the guide-tube and having a stop beyond the end of said guide-tube to prevent the passage of the entire arrow into the tube, and a head on said arrow within the air-tube, acting); as a stop to prevent the removal of the arrow from the gun, substantially as described.

A blow-gun having an air-tube, and an arrow with its head moving in said tube and adapted to be propelled in either direction by the dierenees of air-pressnre acting thereon, said arrow provided with stops at both ends, substantially as described, which stops prevent either the entire projection of the .....e .ff

arrow, or the entire withdrawal of the arrow into the tube, substantially as described.

4t, ln a blow-gun, the combination of an ai rtube, an arrow projectile permanently connected thereto se as to be longitudinally movable in the tube but not removable therefrom, and a tlat head connected to the arrow by a iexibl'e piece, so as to be movable to angular position relatively to the arrow, substan tially as described.

5. The combination of the air-tube and guide-tube of smaller diameter, of the arrow having its body passing through the guidetube, an elastic head on said arrow in the air-tube and incapable 0i passing through the guide-tube, and an elastic ring resting in a groove in the arrow outside the guide-tube, and acting; as a stop against said tube, all combined substantially as described.

In testimony whereof I affix my signature in presence of two Witnesses.

AUGUSTUS G. JACOBS.

Witnesses:

W. H. ALCORN, GEO. RICHBERGER. 

